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      Data: MIT Election Lab, VEST, Census Bureau
      Home/Elections/2018/US House/Massachusetts/MA-09
      2018·US House·Massachusetts·District profile →

      Massachusetts District 9 US House

      Winner
      DEM
      Bill Keating
      59.4%192,347 votes
      Runner-up
      REP
      Peter D Tedeschi
      40.6%131,463 votes
      Margin
      D+18.8
      323,928 total votes
      3 candidates323,928 total votes
      CandidatePartyVotes ▼%Vote Share
      Bill KeatingDEM✓
      		DEM192,34759.4%
      Peter D TedeschiREP
      		REP131,46340.6%
      WriteinOTH
      		OTH1180.0%

      Presidential Vote by District

      5 elections · 2008–2024 · 118th Congress boundaries
      Latest (2024)D+10.7
      Shift vs 2020↓ R+7.5
      Even20082012201620202024
      YearDem %Rep %MarginTurnout
      202454.3%43.6%D+10.7460,119
      202058.2%40.0%D+18.2457,586
      201651.4%41.5%D+9.9414,034
      201254.9%45.1%D+9.8394,611
      200856.4%41.8%D+14.6393,299

      Seat History

      US House in Massachusetts

      2024
      William Richard KeatingDEM
      D+12.5
      2022
      William Richard KeatingDEM
      D+17.9
      Redistricted
      2020
      William Richard KeatingDEM
      D+24.0
      2016
      William Richard KeatingDEM
      D+20.8
      2014
      William Richard KeatingDEM
      D+9.6
      2012
      William Richard KeatingDEM
      D+24.9
      Redistricted
      2010
      Stephen F LynchDEM
      D+42.2
      2008
      Stephen F LynchDEM
      D+76.3
      2006
      Stephen F LynchDEM
      D+52.1
      2004
      Stephen F LynchDEM
      D+73.3
      2002
      Stephen F LynchDEM
      D+71.3
      Redistricted
      2000
      John Joseph MoakleyDEM
      D+53.3
      1998
      John Joseph MoakleyDEM
      D+99.4
      1996
      John Joseph MoakleyDEM
      D+44.5
      View all US House history for Massachusetts →

      Candidates

      WriteinOTH
      Record0W-2660L
      Avg Margin---
      Career1976-2024
      US House / Governor
      Full profile →
      Bill KeatingDEM
      Record1W-0L
      Avg Margin---
      Career2018-2018
      US House
      Full profile →
      Peter D TedeschiREP
      Record0W-1L
      Avg Margin---
      Career2018-2018
      US House
      Full profile →

      Also in Massachusetts, 2018

      US Senate1 contest →Governor1 contest →
      ← All 2018 US House races2018 overviewMassachusetts profileAll elections